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HPLC测定清热达郁口服液中梓醇的含量 被引量:1

Determination of catalpol in Qingre Dayu oral solution by HPLC
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摘要 目的 建立测定清热达郁口服液中梓醇含量的方法。方法 采用HPLC法,测定清热达郁口服液中的梓醇含量,Dia—monsilC18(250mm×4.6mm,5μm)柱,流动相乙腈-0.1%磷酸溶液(1:99),流速1.0ml·min^-1,检测波长210nm。结果梓醇在1.1~8.8μg范围内线性关系良好(r=0.9999),其平均回收率为98.80%(RSD=1.2%,n=5)。结论 所建方法简便、准确、可靠,可用于清热达郁口服液的质量控制。 OBJECTIVE To establish an HPLC method for determing catalpol in Qingre Dayu oral solution. METHODS The determination was carried out with Diamonsil C18 column(250 mm ×4.6 mm,5μm)with acetonitrile -0.1% phosphoric acid (1:99) as the mobile phase ; the detective wavelength was set at 210 nm ; the flow rate was 1.0 ml· min^- 1. RESULTS The calibration curve was linear over the range of 1.1 -8.8μg(r =0. 9999), The average recovery of the method was 98.80% (RSD = 1.2% ,n =5). CONCLUSION The results show that this method is rapid, simple, accurate and reliable. It can be used for quality control of Qingre Dayu oral solution.
出处 《华西药学杂志》 CAS CSCD 北大核心 2007年第1期108-109,共2页 West China Journal of Pharmaceutical Sciences
关键词 清热达郁口服液 高效液相色谱法 梓醇 Qingre Dayu oral solution HPLC Catalpol
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